Home / 147,960,729.20-221,941,093.80-40,255,353.20

Finding the Fourth Proportional to 147,960,729.20, 221,941,093.80 and 40,255,353.20

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Solution

The fourth proportional to 147,960,729.20, 221,941,093.80 and 40,255,353.20 is: 60,383,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,960,729.20 : 221,941,093.80 = 40,255,353.20 : x
  2. Step 2: Convert to fraction form
    147,960,729.20/221,941,093.80 = 40,255,353.20/x
  3. Step 3: Cross multiply
    147,960,729.20x = 221,941,093.80 × 40,255,353.20
  4. Step 4: Simplify right side
    147,960,729.20x = 8,934,317,120,513,331
  5. Step 5: Solve for x
    x = 8,934,317,120,513,331/147,960,729.20
  6. Step 6: Final answer
    x = 60,383,029.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.